glibc/linuxthreads_db/td_ta_tsd_iter.c

52 lines
1.7 KiB
C

/* Iterate over a process's thread-specific data.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "thread_dbP.h"
td_err_e
td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
void *cbdata_p)
{
struct pthread_key_struct *keys = ta->keys;
int pthread_keys_max = ta->pthread_keys_max;
int cnt;
/* XXX We have to figure out what has to be done. */
LOG (__FUNCTION__);
/* Now get all descriptors, one after the other. */
for (cnt = 0; cnt < pthread_keys_max; ++cnt, ++keys)
{
struct pthread_key_struct key;
if (ps_pdread (ta->ph, keys, &key,
sizeof (struct pthread_key_struct)) != PS_OK)
return TD_ERR; /* XXX Other error value? */
if (key.in_use
/* Return with an error if the callback returns a nonzero value. */
&& callback (cnt, key.destr, cbdata_p) != 0)
return TD_DBERR;
}
return TD_OK;
}